EP1495337A4 - Protective relay with synchronized phasor measurement capability for use in electric power systems - Google Patents

Protective relay with synchronized phasor measurement capability for use in electric power systems

Info

Publication number
EP1495337A4
EP1495337A4 EP03721626A EP03721626A EP1495337A4 EP 1495337 A4 EP1495337 A4 EP 1495337A4 EP 03721626 A EP03721626 A EP 03721626A EP 03721626 A EP03721626 A EP 03721626A EP 1495337 A4 EP1495337 A4 EP 1495337A4
Authority
EP
European Patent Office
Prior art keywords
electric power
power systems
protective relay
measurement capability
phasor measurement
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP03721626A
Other languages
German (de)
French (fr)
Other versions
EP1495337A2 (en
Inventor
Edmund O Schweitzer Iii
Luther S Anderson
Armando Guzman-Casillas
Gregary C Zweigle
Gabriel Benmouyal
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Schweitzer Engineering Laboratories Inc
Original Assignee
Schweitzer Engineering Laboratories Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Schweitzer Engineering Laboratories Inc filed Critical Schweitzer Engineering Laboratories Inc
Publication of EP1495337A2 publication Critical patent/EP1495337A2/en
Publication of EP1495337A4 publication Critical patent/EP1495337A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H1/00—Details of emergency protective circuit arrangements
    • H02H1/0007—Details of emergency protective circuit arrangements concerning the detecting means
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/40—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to ratio of voltage and current
EP03721626A 2002-04-17 2003-04-15 Protective relay with synchronized phasor measurement capability for use in electric power systems Withdrawn EP1495337A4 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US10/124,858 US6662124B2 (en) 2002-04-17 2002-04-17 Protective relay with synchronized phasor measurement capability for use in electric power systems
US124858 2002-04-17
PCT/US2003/011163 WO2003090327A2 (en) 2002-04-17 2003-04-15 Protective relay with synchronized phasor measurement capability for use in electric power systems

Publications (2)

Publication Number Publication Date
EP1495337A2 EP1495337A2 (en) 2005-01-12
EP1495337A4 true EP1495337A4 (en) 2012-02-15

Family

ID=29214665

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03721626A Withdrawn EP1495337A4 (en) 2002-04-17 2003-04-15 Protective relay with synchronized phasor measurement capability for use in electric power systems

Country Status (8)

Country Link
US (2) US6662124B2 (en)
EP (1) EP1495337A4 (en)
CN (1) CN100392410C (en)
AU (1) AU2003224929A1 (en)
BR (1) BR0309270A (en)
CA (1) CA2482797C (en)
MX (1) MXPA04010164A (en)
WO (1) WO2003090327A2 (en)

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GAO HOULEI ET AL: "Development of GPS synchronized digital current differential protection", POWER SYSTEM TECHNOLOGY, 1998. PROCEEDINGS. POWERCON '98. 1998 INTERNA TIONAL CONFERENCE ON BEIJING, CHINA 18-21 AUG. 1998, NEW YORK, NY, USA,IEEE, US, vol. 2, 18 August 1998 (1998-08-18), pages 1177 - 1182, XP010312803, ISBN: 978-0-7803-4754-0 *
See also references of WO03090327A2 *

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WO2003090327A3 (en) 2004-03-18
CA2482797C (en) 2009-08-25
US6662124B2 (en) 2003-12-09
EP1495337A2 (en) 2005-01-12
CN1646927A (en) 2005-07-27
AU2003224929A8 (en) 2003-11-03
BR0309270A (en) 2005-02-22
AU2003224929A1 (en) 2003-11-03
US20030200038A1 (en) 2003-10-23
MXPA04010164A (en) 2005-07-05
US6845333B2 (en) 2005-01-18
US20040093177A1 (en) 2004-05-13
CA2482797A1 (en) 2003-10-30
WO2003090327A2 (en) 2003-10-30
CN100392410C (en) 2008-06-04

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